Trolling Motor Battery: The Best Brands

Every good trolling motor is powered by an equally strong battery. However, picking those batteries out of a sea of different models is not an easy process.

Trolling motor batteries come in many shapes and sizes, which makes it tough to pick the exact one for you. That problem can get even more difficult when looking at a trolling motor battery for a kayak.

You don’t want something that is too heavy or unwieldy, but you also need a battery that will give your motor enough juice to last and work as intended.

The specific models in this guide all hit that sweet spot and will provide you with great results.

The Best Trolling Motor Battery: How We Chose Our Ratings

heavy duty trolling motor battery

There are many types of trolling batteries out on the market, ranging from lithium-ion to AGM to wet-cell, and they each have their own features.

For that reason, all of the ones in this guide were thoroughly reviewed based on customer reviews, durability, make, materials, and lifespan.

Though lifespan is perhaps the most important feature in a battery, durability also made the top of the list for the following models.

The 5 Best Trolling Motor Batteries

Here are the 5 trolling motor batteries you should check out.

VMAX MR127 12 Volt 100Ah AGM Deep Cycle Maintenance Free Battery...
  • 12 Volt 100Ah Group 27 Deep Cycle Heavy Duty AGM Marine Deep Cycle Maintenence Free Battery (Includes carrying handles)
  • Electrolyte Suspension system VMAX tanks utilize an electrolyte suspension system consisting AGM (Absorbed Glass Matt)...
  • Heavy Duty Grids: VMAX heavy duty lead tin alloys provide an extra margin of performance and service life in either...

The MR127 model is an incredibly strong trolling motor battery that is perfect for people who want a lot of extra power.

This 12-volt model gives more than enough juice for a few hours out on the water. That may not sound like an extremely long time, but it is more than enough for a relaxing day.

Not only that, but this deep cycle battery is completely maintenance free. It also comes with heavy duty grids to provide better performance and create a much longer lifespan.

Another handy feature of this one is the unique electrolyte suspension system, which is made with AGM (Absorbed Glass Matt) that completely absorbs and contains the electrolyte. That means there is no silica gels or similar contaminants in the device.

Though it is a bit larger than other AGM batteries (weighing 68 pounds and measuring 12.1 by 6.7 by 8.2 inches) it still fits on most small crafts.

A Tight but Powerful Device

This is a solid kayak trolling battery because, in addition to the above features, it has a fast recharge rate. This is perhaps one of the best reasons to choose this model over others because it means you never have to be caught off guard or get stuck in a situation where you have to wait to get out on the water.

In addition, this trolling motor battery is extremely durable. To make sure you never run into issues, it has built-in vibration protection to keep it safe during rocky outings.

This is not a heavy-duty battery that will last you for hours upon hours, but it is definitely one of the more impressive models for those that don’t need a lot of extras from their kayak trolling battery.

It fits any group 27 battery box as well, which is a nice bonus.

VMAXTANKS VMAX V35-857 12 Volt 35AH AGM Battery Marine Deep Cycle HI...
  • Dimensions: L=7.7" W=5" H=6.1"
  • Also avilable as a battery kit:
  • Heavy Duty Grids: VMAX heavy duty lead tin alloys provide an extra margin of performance and service life in either...

Our number two kayak trolling battery is another great and dependable model from Vmax.

The 857 Marine Deep Cycle is an interesting battery that is similar to the above model in many ways. For instance, it is also maintenance free and comes with the heavy duty grids for a better overall quality and improved lifespan.

However, what sets this apart from others is its strength.

You will notice that at 7.7 inches long, 5 inches wide, and 6.1 inches tall, the battery is quite compact. Even so, it is able to take a lot of use and generate a lot of power in the process.

This 12-volt battery provides 35 amp and is specifically built with Vmax plates in the AGM design so that it can handle any shocks or vibrations with ease. That feature improves general performance but, more importantly, it also gives the battery a level of resistance that similar models lack.

Many trolling batteries work well, but they can only keep up their high performance for a while. It is tough out on the water, and that means you want something that can take the constant movement without shorting out.

Strength Unlike Any Other

The Vmax857 is not only built to take the trials of the open water, it is also crafted to handle constant use, plugging, unplugging, and charging. That mix makes it one of the stronger models (despite its small size) on the market.

As a part of that, this model has one of the longest lifespans for batteries of its size. It can even recover after numerous deep discharges.

As an added bonus, the battery‘s size allows you to mount it into any position. That makes it much easier to install in a kayak, giving you an extra level of versatility not commonly found in most batteries.

All of that on top of the tough Tank seals and non-spillable exterior make this a great item for any trolling motor.

Interstate Batteries 12V 35AH Sealed Lead Acid (SLA) AGM Deep Cycle...
  • Interstate Batteries Deep-Cycle mobility product, our DCM0035 Replacement battery fits many products such as Jazzy...
  • Rechargeable, Maintenance-free and spill proof because of the AGM & VRLA (valve regulated) technology that eliminates...
  • Professional-grade quality product developed specifically for wheelchairs and scooters. Long life for deep discharge...

Another great AGM battery, the Interstate Lead Acid is the go-to choice for those who want more options when setting up their battery.

This model is compact, which means it is quite easy to mount onto a kayak. Some larger battery options, while sturdy, can be a bit unwieldy for smaller vessels. Getting one that is easier to use enables you to put it on with little hassle.

You also have the option to mount this at any angle, a feature that provides you with a bit of extra versatility you will not find in similar models.

The absorbent glass mat technology not only increases the battery’s performance, but it also makes it completely maintenance free. 

Another benefit of the 7.7-inch long, 5.2-inch wide body is that it is easy to transport. Not only does the entire package weigh just 23 pounds (which is simple to grab and go) but it comes with a handy carry strap so you can take it along with one hand.

However, a battery needs a bit more than that to make it onto this list. The Acid AGM also hits the mark as a fantastic trolling motor battery because of how well it handles the waves.

Cruise with Little Worry

The Lead Acid comes with a thick plastic exterior that makes it so you never have to worry about its durability while paddling around. That tougher make is important because it allows the battery to handle hard bumps and scratches without becoming seriously damaged.

Such extra strength is not something you’d expect from a battery, but it is necessary to ensure your purchase remains protected over time.

While not the longest lasting model you can find, this 35Ah battery is more than enough for a few hours out on the water.

One last note about this model is, don’t get caught up in the size. It is easy to assume that the smaller battery does not have what it takes to power around, but that is not the case with the Interstate Lead Acid.

The next trolling motor battery is the WindyNation 12V.

This model is worth taking a look at because it comes with a wide range of useful features that help it stand out from the crowd.

First, it is completely sealed. Battery leakage can be a real issue, and it is one you need to stay on top of when thinking about your next purchase.

The WindyNation 12V skips over that with its high-quality construction. The outer seal keeps everything where it should be, creating a maintenance free device.

It also prevents any dangerous or toxic fumes from coming out and polluting the air (or your breathing space).

In that same vein, the battery has an extremely low discharge rate thanks to its 99.995 percent pure lead yields. It also has a 10 to 12-year float life at 77 degrees Fahrenheit.

If you want something that you can depend on over extended periods of time, this is going to be the trolling motor battery for you and your kayak.

Protection Through Make and Warranty

When analyzing the 12V, it is also important to bring up that it is specially designed for deep cycle performance and frequent recharging.

In fact, its special construction enables it to be charged and recharged hundreds or even thousands of times depending on what you need.

That lasting durability and inherent strength are two big reasons why this is such a good trolling option for kayaks or boats that go out all of the time.

Though definitely bigger than your standard trolling motor battery (13 by 6.8 by 8.7 inches), the 12V’s 240-minute reserve capacity will give you more than enough time to cruise around.

This model also comes with a solid 1-year warranty. That guarantee is important because it
not only lets you know that you’re making a good purchase, but it lowers the risk of purchase.

ML55-12 - 12V 55AH SLA Battery - Mighty Max Battery Brand Product,...
  • ML55-12 sla is a 12V 55ah sealed lead acid (SLA) rechargeable maintenance free battery
  • Dimensions: 9.02 inches x 5.43 inches x 9.13 inches. Listing is for the battery and screws only. No wire harness or...
  • Sla/ agm spill proof battery has a characteristic of high discharge Rate, wide operating temperatures, long service life...

The last trolling motor battery on this list is the ML55-12 from Mighty Max.

Here, you will find a slew of upgrades noted in the different batteries listed above. However, where all of those options have choice features that make them great, this model seeks to combine everything into one.

First, you get the Sealed Lead Acid (SLA). In addition, it is also rechargeable and maintenance free.

While this battery does not come with wire harnesses or mounting accessories, it is light enough (9.02 inches by 5.43 inches by 9.13 inches) that you should be able to handle it with ease.

The Mighty Max is also able to be mounted in any position, and it comes with both a high discharge rate and wide operating temperatures. These help add to its impressive lifespan and keep the battery going for years without slowing down.

Full Speed and Full Power

Continuing the discussion of the ML55-12, it also gives you quite a bit of speed.

Most trolling motors (and in turn trolling motor batteries) are for cruising around at a slow or leisurely pace. There is nothing wrong with that, but what if you want something with a bit more speed?

This 55Ah AGM battery is perfect for kayakers who want to go at a full clip all of the time, providing a direct upgrade from a 35Ah battery for those using a 30 pounds thrust trolling motor.

You can reliably get four hours of service from this trolling motor battery, even if you’re always going at full speed.

Trolling Battery Buyer’s Guide

VMAXTANKS VMAX V35-857 12 Volt 35AH AGM Battery Marine Deep Cycle HI...

Though it is easy to assume that every trolling motor battery is the same, that could not be further from the truth.

All of the top models on the market, while similar in function, have key differences you need to take into account when making a purchase. Never assume just because a battery fits your kayak, or that it hits a few of the marks you’re looking for, it is the best choice.

Break down how long that battery will be around, as well as how much use it can take and
how long it holds a charge. Speed is important as well.

Only once you break down each of those characteristics will you be able to make a complete and informed decision.

Comparison Table

Buyer’s Guide: Finding the Best Trolling Motor Battery Possible

Choosing a trolling motor battery for your kayak is not as simple as it first seems. There are various options out there, providing different lifespans, materials, and qualities.

At the end of the day, all of the five outlined above will give you strong results. However, that does not mean they are all the same.

Go over the choices, compare what they offer, and pay attention to their size. If you do that with this list, you’ll be happy with your final purchase.

Janice Friedman

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